ultraviolet

प्रकाशभन्दा छोटो तर एक्स-किरणभन्दा लामो तरंगदैर्ध्य भएको; दृश्य स्पेक्ट्रमको बैंगनी छेउबाट बाहिर रहने।

having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end